| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package oldmetrix |
| 4 | |
| 5 | import ( |
| 6 | "testing" |
| 7 | "time" |
| 8 | |
| 9 | "github.com/stretchr/testify/assert" |
| 10 | ) |
| 11 | |
| 12 | func TestGauge_Set(t *testing.T) { |
| 13 | var g Gauge |
| 14 | assert.Equal(t, 0.0, g.Value()) |
| 15 | g.Set(100) |
| 16 | assert.Equal(t, 100.0, g.Value()) |
| 17 | g.Set(200) |
| 18 | assert.Equal(t, 200.0, g.Value()) |
| 19 | } |
| 20 | |
| 21 | func TestGauge_Add(t *testing.T) { |
| 22 | var g Gauge |
| 23 | assert.Equal(t, 0.0, g.Value()) |
| 24 | g.Add(100) |
| 25 | assert.Equal(t, 100.0, g.Value()) |
| 26 | g.Add(200) |
| 27 | assert.Equal(t, 300.0, g.Value()) |
| 28 | } |
| 29 | func TestGauge_Sub(t *testing.T) { |
| 30 | var g Gauge |
| 31 | assert.Equal(t, 0.0, g.Value()) |
| 32 | g.Sub(100) |
| 33 | assert.Equal(t, -100.0, g.Value()) |
| 34 | g.Sub(200) |
| 35 | assert.Equal(t, -300.0, g.Value()) |
| 36 | } |
| 37 | |
| 38 | func TestGauge_Inc(t *testing.T) { |
| 39 | var g Gauge |
| 40 | assert.Equal(t, 0.0, g.Value()) |
| 41 | g.Inc() |
| 42 | assert.Equal(t, 1.0, g.Value()) |
| 43 | } |
| 44 | |
| 45 | func TestGauge_Dec(t *testing.T) { |
| 46 | var g Gauge |
| 47 | assert.Equal(t, 0.0, g.Value()) |
| 48 | g.Dec() |
| 49 | assert.Equal(t, -1.0, g.Value()) |
| 50 | } |
| 51 | |
| 52 | func TestGauge_SetToCurrentTime(t *testing.T) { |
| 53 | var g Gauge |
| 54 | g.SetToCurrentTime() |
| 55 | assert.InDelta(t, time.Now().Unix(), g.Value(), 1) |
| 56 | } |
| 57 | |
| 58 | func TestGauge_WriteTo(t *testing.T) { |
| 59 | g := Gauge(3.14) |
| 60 | m := map[string]int64{} |
| 61 | g.WriteTo(m, "pi", 100, 1) |
| 62 | assert.Len(t, m, 1) |
| 63 | assert.EqualValues(t, 314, m["pi"]) |
| 64 | } |
| 65 | |
| 66 | func TestGaugeVec_WriteTo(t *testing.T) { |
| 67 | g := NewGaugeVec() |
| 68 | g.Get("foo").Inc() |
| 69 | g.Get("foo").Inc() |
| 70 | g.Get("bar").Inc() |
| 71 | g.Get("bar").Add(0.14) |
| 72 | |
| 73 | m := map[string]int64{} |
| 74 | g.WriteTo(m, "pi", 100, 1) |
| 75 | assert.Len(t, m, 2) |
| 76 | assert.EqualValues(t, 200, m["pi_foo"]) |
| 77 | assert.EqualValues(t, 114, m["pi_bar"]) |
| 78 | } |
| 79 | |
| 80 | func BenchmarkGauge_Add(b *testing.B) { |
| 81 | benchmarks := []struct { |
| 82 | name string |
| 83 | value float64 |
| 84 | }{ |
| 85 | {"int", 1}, |
| 86 | {"float", 3.14}, |
| 87 | } |
| 88 | for _, bm := range benchmarks { |
| 89 | b.Run(bm.name, func(b *testing.B) { |
| 90 | var c Gauge |
| 91 | for i := 0; i < b.N; i++ { |
| 92 | c.Add(bm.value) |
| 93 | } |
| 94 | }) |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | func BenchmarkGauge_Inc(b *testing.B) { |
| 99 | var c Gauge |
| 100 | for i := 0; i < b.N; i++ { |
| 101 | c.Inc() |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | func BenchmarkGauge_Set(b *testing.B) { |
| 106 | var c Gauge |
| 107 | for i := 0; i < b.N; i++ { |
| 108 | c.Set(3.14) |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | func BenchmarkGauge_Value(b *testing.B) { |
| 113 | var c Gauge |
| 114 | c.Inc() |
| 115 | c.Add(3.14) |
| 116 | for i := 0; i < b.N; i++ { |
| 117 | c.Value() |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | func BenchmarkGauge_WriteTo(b *testing.B) { |
| 122 | var c Gauge |
| 123 | c.Inc() |
| 124 | c.Add(3.14) |
| 125 | m := map[string]int64{} |
| 126 | for i := 0; i < b.N; i++ { |
| 127 | c.WriteTo(m, "pi", 100, 1) |
| 128 | } |
| 129 | } |